Key specifications:
Camera input: 4 channels
Audio input: 4 channel
TV output: 1 channel
Image compression: H. 264 optimized (high recording definition, especially when there is intense movement)
Video total frame rate: 100 fps in PAL, 120 fps in NTSC
Display resolution: 704 x 576, 352 x 288
Recording resolution: 640 x 480, 352 x 288
Compression ratio: 60-300M/C/H
Network protocol: TCP/ UDP
Operating system: Windows 2000/XP/Vista
Basic functions:

4-channel real-time monitoring, and its image speed is two or three times of the other non real-time equivalent cards
Each channel Image color can be adjusted independently by software
Support insert 4 cards in the same PC at most, form 16 channel monitoring, and can also support mix inserting BS-818A to form 24 channel monitoring
Multi screen monitoring, 1, 4, 9, 16, 25, 32 split Screen available, support rotate display
Support multi-hard disks cycle recording
Recording both flow trends yard and fix yard are available
Intelligent searching for historical DVR files, up to 16 screen playback
Multi-user's authority management setup, support to set up user's operating authority
Support motion detection touch off the video recording, sending alarm by phone, and by sound
Setting up motion detection area discretionarily, the sensitivity is adjustable
Through IE realize such perfect network management functions as remote spot monitoring, remote historical playback, remote spot video recording, remote historical video recording
Support Intranet IP to remote monitoring
Support one IE remote monitors several DVR of different IP
Support the watermark of the characters and time, the particular format of video files prevent being edited, the security is high
The video file supports electron enlarge, taking pictures and instant print and exe format back up